Bobbin M style with Slot Metal

This M style bobbin with its slot metal design is perfect for quilting machines with integrated bobbin winders, and is ideal for use with machines that require M style bobbins with a slot on the cylinder. This bobbin is specifically designed to provide superior thread tension and keep your machine running smoothly while you're quilting. The slot metal design ensures reliability and consistent performance to make your quilting experience as hassle-free as possible. Get the best out of your machine and achieve premium results with this reliable M style bobbin with its slot metal design.